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产品型号049102.5NRT1的Datasheet PDF文件预览

Axial Lead & Cartridge Fuses  
PICO® ll > Very Fast-Acting > 491 Series  
PS  
E
491 Series, PICꢀ® II, Very Fast-ꢁcting Fuse  
Description  
The PICO® II Very Fast-Acting Fuse is designed to meet an  
extensive array of performance characteristics in a  
space-saving subminiature package.  
Features  
•ꢀ Veryꢀfast-acting  
•ꢀ Smallꢀsizeꢀ  
•ꢀ Wideꢀcurrentꢀratingꢀrangeꢀ  
(125mA - 10A)  
•ꢀ Halogen-freeꢀavailableꢀ  
•ꢀ Wideꢀoperatingꢀ  
temperature range  
•ꢀ Lowꢀtemperatureꢀde-rating  
•ꢀ RoHSꢀcompliantꢀ  
Agency Approvals  
Applications  
Agency  
Agency File Number  
Ampere Range  
Secondary protection for space constrained applications  
•ꢀ Flat–panelꢀdisplayTVꢀ  
•ꢀ LCDꢀmonitor  
•ꢀ LCDꢀbacklightꢀinverter  
•ꢀ Officeꢀmachines  
•ꢀ Powerꢀsupply  
E10480  
LR 29862  
125mA - 10A  
•ꢀ Audio/Videoꢀsystem  
•ꢀ Lightingꢀsystem  
•ꢀ Medicalꢀequipment  
125mA - 10A  
1A - 5A  
PS  
E
JET 1896-31007-1001  
Electrical Characteristics  
% of Ampere  
Rating  
Ampere Rating  
1/8-10  
OpeningTime  
100%  
300%  
4 Hours, Min.  
1/8-10  
0.3 Seconds, Max.  
Electrical Characteristics  
Agency Approvals  
Max  
Voltage  
Rating  
(V)  
Ampere  
Rating  
(A)  
Ordering  
Number  
(Std.)  
Nominal Cold  
Resistance  
(Ohms)  
Interrupting  
Rating  
Amp Code  
PS  
E
.125  
.200  
.250  
.315  
.400  
.500  
.630  
.750  
.800  
1.00  
1.25  
1.50  
1.60  
2.00  
2.50  
3.00  
3.15  
3.50  
4.00  
5.00  
7. 0 0  
0.125  
0.200  
0.250  
0.315  
0.400  
0.500  
0.630  
0.750  
0.800  
001.  
0491.125  
0491.200  
0491.250  
0491.315  
0491.400  
0491.500  
0491.630  
0491.750  
0491.800  
0491 001.  
0491 1.25  
0491 01.5  
0491 01.6  
0491 002.  
0491 02.5  
0491 003.  
0491 3.15  
0491 03.5  
0491 004.  
0491 005.  
0491 007.  
0491 010.  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
125  
86  
1.7000  
0.8950  
0.6650  
0.5000  
0.3230  
0.3020  
0.2050  
0.1750  
0.1480  
0.1280  
0.1000  
0.0823  
0.0700  
0.0473  
0.0360  
0.0295  
0.0275  
0.0240  
0.0204  
0.0158  
0.0107  
0.0072  
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
50A at  
125Vac and  
Vdc  
1.25  
01.5  
01.6  
002.  
02.5  
003.  
3.15  
03.5  
004.  
005.  
0 0 7.  
10.00  
010.  
86  
Note: Higher ampere ratings are available. Please contact LittelfuseTechnical Support or your Littelfuse products representative for assistance.  
© 2013 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: 09/26/13  
Axial Lead & Cartridge Fuses  
PICO® ll > Very Fast-Acting > 491 Series  
Temperature Rerating Curve  
AverageTime Current Curves  
1000  
100  
10  
1
Note:  
1. Derating depicted in this curve is in addition to the standard derating of 25% for  
continuous operation.  
0.1  
0.01  
Soldering Parameters  
Recommended Process Parameters:  
0.1  
1
10  
100  
1000  
CURRENT IN AMPERES  
Wave Parameter  
Preheat:  
(Depends on Flux ActivationTemperature)  
Temperature Minimum:  
Temperature Maximum:  
PreheatTime:  
Lead-Free Recommendation  
(Typical Industry Recommendation)  
100° C  
150° C  
60-180 seconds  
Solder PotTemperature:  
Solder DwellTime:  
260° C Maximum  
2-5 seconds  
Recommended Hand-Solder Parameters:  
Solder IronTemperature: 350° C +/- 5°C  
HeatingTime: 5 seconds max.  
Note:These devices are not recommended for IR or  
Convection Reflow process.  
© 2013 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: 09/26/13  
Axial Lead & Cartridge Fuses  
PICO® ll > Very Fast-Acting > 491 Series  
Product Characteristics  
Encapsulated, Epoxy-Coated  
Body: PureTin-coated Copper wire leads  
Operating Temperature –55ºC to +125ºC  
Materials  
MIL-STD-202, Method 213, Test  
Condition I (100 G’s peak for 6  
milliseconds)  
Solderability  
Lead Pull Force  
MIL-STD-202, Method 208  
Shock  
MIL-STD-202, Method 211, Test Condition  
A (will withstand a 7lbs. axial pull test)  
MIL-STD-202, Method 201 (10–55  
Hz); Method 204, Test Condition C  
(55–2000 Hz at 10 Gs Peak)  
Vibration  
Moisture Resistance  
MIL-STD-202, Method 106  
Withstands 60 seconds above 200OC  
and up to 260ºC, maximum  
Resistance to Soldering  
Heat  
Flammability Rating  
UL 94V–0  
Part Numbering System  
Dimensions  
0491 xxxx N R T1 HF  
491 Series (RoHS Version) Markings  
(T1 lead length)  
62.7 (2.468")  
Series  
52.4 (2.062")*  
27.78  
27.78  
Current Rating  
(1.094")  
(1.094")  
7.11 (.280")  
Refer to Amp Code column of  
Electrical Characteristics Table  
F
0.5  
0.5  
L
2.80 (.11")  
MAX  
Quantity  
N = 5000  
M = 1000  
5.0 (.197")  
6.35 (.25")  
tape  
6.35 (.25")  
tape  
F
L
Wire Diameter:  
0.64 (.025")  
Type of Packaging  
R = Reel  
A = Ammo Pack  
491 Series (RoHS and Halogen-free Version) Markings  
(T1 lead length)  
Lead Length  
62.7 (2.468")  
The default lead length for Ammo pack and  
Loose pack is now T1  
T1 = 52.4mm (2.062”)  
52.4 (2.062")*  
27.78  
(1.094")  
27.78  
(1.094")  
7.11 (.280")  
F
0.5  
0.5  
L
Option Codes  
Blank = RoHS  
2.80 (.11")  
MAX  
5.0 (.197")  
6.35 (.25")  
tape  
6.35 (.25")  
tape  
HF  
= RoHS and Halogen-free  
F
L
Wire Diameter:  
0.64 (.025")  
Packaging  
Quantity &  
Packaging Code  
Packaging Option  
Packaging Specification  
Please refer to available quantities  
above in "Part Numbering System”  
*T1: 52.4mm (2.062")Tape and Reel  
EIA 296  
Notes:  
* T1 dimension is defined as the length of the component between the two tapes. The full component length is 62.7mm (2.468").  
© 2013 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: 09/26/13  
配单直通车
049102.5NRT1产品参数
型号:049102.5NRT1
生命周期:Active
Reach Compliance Code:unknown
风险等级:5.65
熔断特性:VERY FAST
主体高度:7.11 mm
主体长度或直径:2.8 mm
电路保护类型:ELECTRIC FUSE
保险丝尺寸:PICO
最高工作温度:125 °C
最低工作温度:-55 °C
包装方法:TAPE AND REEL
物理尺寸:2.8mm x 7.11mm
额定电流:2.5 A
额定电压:125 V
参考标准:CSA, PSE, UL
端子形状:PIN WIRE
断开时间或延迟:14400 s
Base Number Matches:1
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